40894066 has 8 divisors (see below), whose sum is σ = 61558704. Its totient is φ = 20374500.

The previous prime is 40894039. The next prime is 40894067. The reversal of 40894066 is 66049804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40894067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35560 + ... + 36691.

It is an arithmetic number, because the mean of its divisors is an integer number (7694838).

Almost surely, 2^40894066 is an apocalyptic number.

40894066 is a deficient number, since it is larger than the sum of its proper divisors (20664638).

40894066 is a wasteful number, since it uses less digits than its factorization.

40894066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72536.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 40894066 is about 6394.8468316294. The cubic root of 40894066 is about 344.5244894866.

The spelling of 40894066 in words is "forty million, eight hundred ninety-four thousand, sixty-six".